CINCINNATI GRINDER

A full machine refurbishment & PLC retrofit of this Cincinnati Heald Cinternal Grinder.

The machine refurbishment included strip to component level, refurbish slideways & hydrostatic system, replace axis drive ballscrews with new, full refurbishment of the workhead, spindle & magnetic chuck, full refurbishment of the wheelhead & swivel arrangement, full refurbishment of the servo dresser unit, fit new Marposs In-process Gauging, full refurbishment/overhaul of the hydraulic system, replacement of the lubrication & pneumatic systems with new and complete overhaul of the coolant systems; in addition, the machine guarding system has been refurbished & modified and interlocked to the control for PUWER compliance.

The PLC retrofit comprised fitting of a new Mitsubishi PLC Control including GOT Touch Screen Display, new Reuland Spindle Motor & Mitsubishi MEUK Drive, new Axis Servo Motors & Drives, new Linear Scales, a new electrical cabinet complete with all new control gear and a complete machine re-wire.

MACHINE SPECIFICATION

  • Cincinnati Heald Cinternal Grinder
  • Internal & External Grinding
  • Workhead Spindle: 3hp / 2000rpm
  • Magnetic Chuck: 18″ dia
  • Workhead Swivel: ± 22.5°
  • Wheelhead Spindle: 10hp / 3600rpm
  • Wheelhead Swivel: 105°
  • CNC Servo Radius Dresser Unit
  • Marposs In-Process Gauging

COMMENTS

This Grinder has been rebuilt to very exacting tolerances for grinding components to within +/- 1 micron; this project clearly demonstrates that EES can achieve the very highest standard of precision requirements.

WE PROVIDE

  • Project Management
  • Mechanical Design (Inventor 3D)
  • Electrical Interface Design
  • PLC Software Design
  • Slideway Grinding to restore Machine Alignments
  • Ballscrew Refurbishment or Replacement
  • Spindle Refurbishment
  • Refurbishment of Gearboxes & Drive Train Systems
  • Overhaul or replacement of Hydraulic Systems
  • Re-assembly to OEM Specfications & Tolerances
  • Guarding Systems to PUWER Compliance
  • Electrical Panel Build
  • Commissioning
  • Factory Acceptance Testing
  • Site Re-installation
  • User & Maintenance Training
  • Full Documentation
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